Radiation shielding material and production method therefor
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United States of America Patent
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Nov 13, 2018
Grant Date -
Nov 23, 2017
app pub date -
Dec 14, 2015
filing date -
Dec 15, 2014
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Abstract
[Object] To provide a radiation shielding material that includes a resin composition obtained by filling a matrix formed of resin with a radiation-absorbing substance and is capable of obtaining a structure in which transparency is significantly improved as compared with the conventional radiation shielding material while having a radiation shielding effect similar to that of the conventional radiation shielding material. [Solving Means] A radiation shielding material includes: a resin composition containing a proportion of 20 to 80 vol % of fluoride powder containing barium as a constituent element. The fluoride powder is favorably barium fluoride or lithium barium fluoride, the resin favorably has a refractive index (n) of 1.4 to 1.6, and particularly, a difference between a refractive index of the resin and a refractive index of the fluoride powder is favorably within ±0.05.
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